Matt Long is an American actor. He started his Hollywood career in the early 2000s. His debut was in the 2001 movie The Greatest Adventure of My Life. He made his television debut as Jack McCallister, one of the main characters on Jack & Bobby. He next played the Young Johnny Blaze in the movie Ghost Rider. At the same time, he starred as Tyler Prince in Sydney White. His next film roles were in Reflections and Homecoming. In the 2010s he starred on the short-lived series The Deep End. He then became known for his recurring role as Joey Baird on Mad Men. He next played Dr. James Peterson on Private Practice. He next starred on the shows Lucky 7 and Helix. This year, he starred as Jesse Enright on the show Graves.